Protocol of Exchange of Instruments of Ratification Regarding the Treaty Concerning the Permanent Neutrality and Operation of the Panama Canal and the Panama Canal Treaty 交换关于巴拿马运河的永久中立和经营的条约及巴拿马运河条约批准书的议定书巴拿马签发证书计划
The present treaty shall come into force on the date of the exchange of the instruments of ratification and shall remain in force for a period of ten years. 本条约将于换文[互换批准书]之日起生效,有效期10年。